linux-kernel - [appleir] BUG: unable to handle kernel NULL pointer dereference

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Message-ID: <20131029145139.GA2788@hercules>
Date:	Tue, 29 Oct 2013 14:51:39 +0000
From:	Luis Henriques <luis.henriques@...onical.com>
To:	Jiri Kosina <jkosina@...e.cz>
Cc:	Benjamin Tissoires <benjamin.tissoires@...hat.com>,
	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
	James Henstridge <james.henstridge@...onical.com>
Subject: [appleir] BUG: unable to handle kernel NULL pointer dereference

Hi,

James has reported a NULL pointer dereference[1] on the appleir
driver.  From the bug report[2] it looks like it is 100%
reproducible using a 3.12-rc6 kernel simply by pressing any button on
the IR remote.

>From the stack trace, it looks like input_event is invoked with the
input_dev parameter set to NULL, which seems to indicate that
appleir_input_configured is never invoked.

Any ideas?

[1] https://launchpadlibrarian.net/154942024/macmini-oops.jpg
[2] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1244505

Cheers,
--
Luis
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